国家开放大学 / 综合英语(2)
She _ _ _ _ _ _ let the baby play with the scissors. She must have been crazy.
a.oughtn’t to have
b. oughtn’t to
c.oughtn’t have
d.oughtn’t
a.oughtn’t to have
b. oughtn’t to
c.oughtn’t have
d.oughtn’t
参考答案:
佳题速递: